Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-16-generic i686
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3470)]

Thread 2 (Thread 0xa92c5b90 (LWP 3473)):
#0  0xb7ef5430 in __kernel_vsyscall ()
#1  0xb640e0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb65ee2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7cf5172 in QWaitCondition::wait (this=0xa0be5e0, mutex=0xa0be5dc, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb7631ac2 in QHostInfoAgent::run (this=0xa0be5d0) at kernel/qhostinfo.cpp:260
#5  0xb7cf4132 in QThreadPrivate::start (arg=0xa0be5d0) at thread/qthread_unix.cpp:188
#6  0xb640a4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb65df49e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5f17a10 (LWP 3470)):
[KCrash Handler]
#6  0xb6efda2a in QGraphicsLayoutItem::parentLayoutItem (this=0xa141f38) at graphicsview/qgraphicslayoutitem.cpp:761
#7  0xb6f18871 in QGraphicsGridLayout::addItem (this=0x9e96b30, item=0xa4d0a20, row=0, column=1, rowSpan=1, columnSpan=1, alignment={i = -1077766412}) at graphicsview/qgraphicsgridlayout.cpp:158
#8  0xa951d52c in TaskItemLayout::layoutItems (this=0x9e96b30) at /build/buildd/kdebase-workspace-4.3.2/plasma/applets/tasks/taskitemlayout.cpp:370
#9  0xa951db94 in TaskItemLayout::remove (this=0x9e96b30, item=0xa41ea08) at /build/buildd/kdebase-workspace-4.3.2/plasma/applets/tasks/taskitemlayout.cpp:136
#10 0xa951dc4c in TaskItemLayout::removeTaskItem (this=0x9e96b30, item=0xa41ea08) at /build/buildd/kdebase-workspace-4.3.2/plasma/applets/tasks/taskitemlayout.cpp:93
#11 0xa9529b36 in TaskGroupItem::itemRemoved (this=0xa12bd88, groupableItem=0xade1198) at /build/buildd/kdebase-workspace-4.3.2/plasma/applets/tasks/taskgroupitem.cpp:521
#12 0xa952b076 in TaskGroupItem::qt_metacall (this=0xa12bd88, _c=QMetaObject::InvokeMetaMethod, _id=15, _a=0xbfc2991c)
    at /build/buildd/kdebase-workspace-4.3.2/obj-i486-linux-gnu/plasma/applets/tasks/taskgroupitem.moc:114
#13 0xb7dfe1b8 in QMetaObject::activate (sender=0xa12b8c0, from_signal_index=22, to_signal_index=22, argv=0xbfc2991c) at kernel/qobject.cpp:3113
#14 0xb7dfee42 in QMetaObject::activate (sender=0xa12b8c0, m=0xa9507b74, local_signal_index=1, argv=0xbfc2991c) at kernel/qobject.cpp:3187
#15 0xa94f8aa3 in TaskManager::TaskGroup::itemRemoved (this=0xa12b8c0, _t1=0xade1198) at /build/buildd/kdebase-workspace-4.3.2/obj-i486-linux-gnu/libs/taskmanager/taskgroup.moc:152
#16 0xa94f94cb in TaskManager::TaskGroup::remove (this=0xa12b8c0, item=0xade1198) at /build/buildd/kdebase-workspace-4.3.2/libs/taskmanager/taskgroup.cpp:189
#17 0xa94f96c6 in TaskManager::TaskGroup::add (this=0xa4bc180, item=0xade1198) at /build/buildd/kdebase-workspace-4.3.2/libs/taskmanager/taskgroup.cpp:120
#18 0xa94dccf1 in TaskManager::AbstractGroupingStrategy::createGroup (this=0xa503ff0, items=
        {{p = {static shared_null = {ref = {_q_value = 34337}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0xbfc29a3c}, d = 0xbfc29a3c}})
    at /build/buildd/kdebase-workspace-4.3.2/libs/taskmanager/abstractgroupingstrategy.cpp:140
#19 0xa94e588c in TaskManager::ProgramGroupingStrategy::programGrouping (this=0xa503ff0, taskItem=0xaca3ff0, groupItem=0xa12b8c0)
    at /build/buildd/kdebase-workspace-4.3.2/libs/taskmanager/strategies/programgroupingstrategy.cpp:189
#20 0xa94e6373 in TaskManager::ProgramGroupingStrategy::handleItem (this=0xa503ff0, item=0xaca3ff0)
    at /build/buildd/kdebase-workspace-4.3.2/libs/taskmanager/strategies/programgroupingstrategy.cpp:156
#21 0xa94dfdc5 in TaskManager::GroupManagerPrivate::addTask (this=0xa12bbc8, task={d = 0xbfc29b90}) at /build/buildd/kdebase-workspace-4.3.2/libs/taskmanager/groupmanager.cpp:288
#22 0xa94e2252 in TaskManager::GroupManager::qt_metacall (this=0xa12b650, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbfc29c6c)
    at /build/buildd/kdebase-workspace-4.3.2/obj-i486-linux-gnu/libs/taskmanager/groupmanager.moc:103
#23 0xb7dfe1b8 in QMetaObject::activate (sender=0x9f85550, from_signal_index=4, to_signal_index=4, argv=0xbfc29c6c) at kernel/qobject.cpp:3113
#24 0xb7dfee42 in QMetaObject::activate (sender=0x9f85550, m=0xa9507d3c, local_signal_index=0, argv=0xbfc29c6c) at kernel/qobject.cpp:3187
#25 0xa94fc5c3 in TaskManager::TaskManager::taskAdded (this=0x9f85550, _t1={d = 0xbfc29cf4}) at /build/buildd/kdebase-workspace-4.3.2/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:155
#26 0xa94fe856 in TaskManager::TaskManager::windowAdded (this=0x9f85550, w=52428886) at /build/buildd/kdebase-workspace-4.3.2/libs/taskmanager/taskmanager.cpp:262
#27 0xa94ffb84 in TaskManager::TaskManager::qt_metacall (this=0x9f85550, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xbfc29e2c)
    at /build/buildd/kdebase-workspace-4.3.2/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:109
#28 0xb7dfe1b8 in QMetaObject::activate (sender=0x9d79688, from_signal_index=5, to_signal_index=5, argv=0xbfc29e2c) at kernel/qobject.cpp:3113
#29 0xb7dfee42 in QMetaObject::activate (sender=0x9d79688, m=0xb756a24c, local_signal_index=1, argv=0xbfc29e2c) at kernel/qobject.cpp:3187
#30 0xb75010c3 in KWindowSystem::windowAdded (this=0x9d79688, _t1=52428886) at /build/buildd/kde4libs-4.3.2/obj-i486-linux-gnu/kdeui/kwindowsystem.moc:120
#31 0xb7503779 in KWindowSystemPrivate::addClient (this=0x9bc13d8, w=52428886) at /build/buildd/kde4libs-4.3.2/kdeui/windowmanagement/kwindowsystem_x11.cpp:229
#32 0xb75127dd in NETRootInfo::update (this=0x9bc13ec, dirty_props=0xbfc29fa4) at /build/buildd/kde4libs-4.3.2/kdeui/windowmanagement/netwm.cpp:2186
#33 0xb751349f in NETRootInfo::event (this=0x9bc13ec, event=0xbfc2b70c, properties=0xbfc2a088, properties_size=5) at /build/buildd/kde4libs-4.3.2/kdeui/windowmanagement/netwm.cpp:2058
#34 0xb7503b8d in KWindowSystemPrivate::x11Event (this=0x9bc13d8, ev=0xbfc2b6ac) at /build/buildd/kde4libs-4.3.2/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#35 0xb73b47b9 in KApplication::x11EventFilter (this=0x9ac8668, _event=0xbfc2b6ac) at /build/buildd/kde4libs-4.3.2/kdeui/kernel/kapplication.cpp:911
#36 0xb4a7ec17 in PlasmaApp::x11EventFilter (this=0x9ac8668, event=0xbfc2b6ac) at /build/buildd/kdebase-workspace-4.3.2/plasma/shells/desktop/plasmaapp.cpp:490
#37 0xb6907e5e in qt_x11EventFilter (ev=0xbfc2b6ac) at kernel/qapplication_x11.cpp:375
#38 0xb691a6df in QApplication::x11ProcessEvent (this=0x9ac8668, event=0xbfc2b6ac) at kernel/qapplication_x11.cpp:3271
#39 0xb694737a in x11EventSourceDispatch (s=0x9ad1168, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#40 0xb6457b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#41 0xb645b0eb in ?? () from /usr/lib/libglib-2.0.so.0
#42 0xb645b268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#43 0xb7e142f8 in QEventDispatcherGlib::processEvents (this=0x9acdfd0, flags={i = -1077757848}) at kernel/qeventdispatcher_glib.cpp:327
#44 0xb6946a75 in QGuiEventDispatcherGlib::processEvents (this=0x9acdfd0, flags={i = -1077757800}) at kernel/qguieventdispatcher_glib.cpp:202
#45 0xb7de71fa in QEventLoop::processEvents (this=0xbfc2b910, flags={i = -1077757736}) at kernel/qeventloop.cpp:149
#46 0xb7de7642 in QEventLoop::exec (this=0xbfc2b910, flags={i = -1077757672}) at kernel/qeventloop.cpp:201
#47 0xb7de9ae9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#48 0xb68a4bb7 in QApplication::exec () at kernel/qapplication.cpp:3525
#49 0xb4a692f0 in kdemain (argc=1, argv=0x9a95ed8) at /build/buildd/kdebase-workspace-4.3.2/plasma/shells/desktop/main.cpp:50
#50 0x0804e27d in launch (argc=1, _name=0x9a6757c "/usr/bin/plasma-desktop", args=0x9a67594 "", cwd=0x0, envc=0, envs=0x9a67598 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x805136d "0") at /build/buildd/kde4libs-4.3.2/kinit/kinit.cpp:677
#51 0x0804ea5d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.3.2/kinit/kinit.cpp:1169
#52 0x0804efe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.3.2/kinit/kinit.cpp:1362
#53 0x0804fbca in main (argc=2, argv=0xbfc2c104, envp=0xbfc2c110) at /build/buildd/kde4libs-4.3.2/kinit/kinit.cpp:1793

Reported using DrKonqi